13910420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 31243968

約数和(自身を除く): 17333548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 251, 326, 340, 502, 652, 815, 1004, 1255, 1630, 2510, 2771, 3260, 4267, 5020, 5542, 8534, 11084, 13855, 17068, 21335, 27710, 40913, 42670, 55420, 81826, 85340, 163652, 204565, 409130, 695521, 818260, 1391042, 2782084, 3477605, 6955210, 13910420]

約数ペア:

[(1, 13910420), (2, 6955210), (4, 3477605), (5, 2782084), (10, 1391042), (17, 818260), (20, 695521), (34, 409130), (68, 204565), (85, 163652), (163, 85340), (170, 81826), (251, 55420), (326, 42670), (340, 40913), (502, 27710), (652, 21335), (815, 17068), (1004, 13855), (1255, 11084), (1630, 8534), (2510, 5542), (2771, 5020), (3260, 4267)]